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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Cash and Cash Equivalents |  |  |
Outstanding checks in excess of funds on deposits | $ 19.6 | $ 10.7 |
Allowance for doubtful accounts |  |  |
Balance at Beginning of year | 5.3 | 6.1 | 8.1
Expense | 0.7 |  |
Write-offs and Other | (1.3) | (0.8) | (2.0)
Balance at End of Year | 4.7 | 5.3 | 6.1
Quoted Prices in Active Markets (Level 1) |  |  |
Fair value of financial instruments |  |  |
Cash & cash equivalents | 19.9 | 9.8 |
Significant Observable Inputs (Level 2) |  |  |
Fair value of financial instruments |  |  |
Accounts and notes receivable | 174.7 | 167.7 |
Variable rate debt | 24.0 | 61.0 |
Fixed rate debt | 316.8 | 148.1 |
Carrying value |  |  |
Fair value of financial instruments |  |  |
Cash & cash equivalents | 19.9 | 9.8 |
Accounts and notes receivable | 174.7 | 167.7 |
Variable rate debt | 24.0 | 61.0 |
Fixed rate debt | 295.1 | 136.5 |
Fair value |  |  |
Fair value of financial instruments |  |  |
Cash & cash equivalents | 19.9 | 9.8 |
Accounts and notes receivable | 174.7 | 167.7 |
Variable rate debt | 24.0 | 61.0 |
Fixed rate debt | $ 316.8 | $ 148.1 |

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- Definition Carrying value as of the balance sheet date of payments made in excess of existing cash balances, which will be honored by the bank but reflected as a loan to the entity. Overdrafts generally have a very short time frame for correction or repayment and are therefore more similar to short-term bank financing than trade financing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6743817&loc=d3e1243-112600 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Current Liabilities -URI http://asc.fasb.org/extlink&oid=6509677 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 43 -Section A -Paragraph 7 -Chapter 3 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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